Pointing a trident at a dripstone pointing down may cause a part of it to stay floating

If you point a trident at a dripstone pointing down, you can make a part of it stay in the air (but not always). Jira couldn't download the screenshot. So here's a drive link: https://drive.google.com/file/d/1oZFcsqp9Zb1AIe3MDPmppXx2pnYPbQ0J/view?usp=sharing